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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2009-04-19 15:05:32 +0000 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2009-04-19 15:05:32 +0000 |
| commit | bfeca7beb63bc297c8c59469a53e469d11ec4d23 (patch) | |
| tree | 407aa9c0f23f3b28a08a5c77e5290c86e698bb21 /libavcodec/ac3tab.c | |
| parent | be233a569165ad39a63ff2137763a123cd4f2562 (diff) | |
Add channel layout support to the AC-3 decoder and AC-3 parser.
Originally committed as revision 18622 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/ac3tab.c')
| -rw-r--r-- | libavcodec/ac3tab.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libavcodec/ac3tab.c b/libavcodec/ac3tab.c index cb07ac6255..ba7b204b21 100644 --- a/libavcodec/ac3tab.c +++ b/libavcodec/ac3tab.c @@ -24,6 +24,7 @@ * tables taken directly from the AC-3 spec. */ +#include "avcodec.h" #include "ac3tab.h" /** @@ -79,6 +80,20 @@ const uint8_t ff_ac3_channels_tab[8] = { 2, 1, 2, 3, 3, 4, 4, 5 }; +/** + * Maps audio coding mode (acmod) to channel layout mask. + */ +const uint16_t ff_ac3_channel_layout_tab[8] = { + CH_LAYOUT_STEREO, + CH_LAYOUT_MONO, + CH_LAYOUT_STEREO, + CH_LAYOUT_SURROUND, + CH_LAYOUT_2_1, + CH_LAYOUT_4POINT0, + CH_LAYOUT_2_2, + CH_LAYOUT_5POINT0 +}; + #define COMMON_CHANNEL_MAP \ { { 0, 1, }, { 0, 1, 2, } },\ { { 0, }, { 0, 1, } },\ |